@misc{indiciae2f01280022a1,
  title = {Drug users and sick notes.},
  author = {C L Morrison and S M Ruben},
  year = {1994},
  doi = {10.1136/bmj.309.6949.271},
  url = {https://pubmed.ncbi.nlm.nih.gov/8069157/},
  note = {Source identifier: 8069157}
}